MESON Chess Problem Database

Problem Display
PID: 232996 (3R4/8/1p6/1pk5/2N5/8/4K3/2Q5 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Kudesnik, 2004

3R4/8/1p6/1pk5/2N5/8/4K3/2Q5

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Sa5#
    • 1...b4
      • 2.Sa3#
  • Keys
    • 1.Kd3!
      • 1...bxc4+
        • 2.Qxc4#
      • 1...Kb4
        • 2.Qa3#
      • 1...Kc6
        • 2.Sa5#
      • 1...b4
        • 2.Sa3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT::QAR(A)+S(C),DCHECK
    • P(a);SBLOCK::QAR(A)+S(C)
  • Actual
    • K(B);S_FLIGHT
    • Vars
      • P(a);CHECK,OGATE,P_SPINP(a),XS(C)::QAR1(A),XP(a)
      • K(b);S_FLIGHT::QAB1(A)
      • K(b);P-FLIGHT::QAR(A)+S(C),DCHECK
      • P(a);SBLOCK::QAR(A)+S(C)
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